he was in columbus yesterday. ohio is one of four battleground states he visited on the last day of campaigning. >> president obama is done campaigning. he's spending election day in chicago. he arrived in the middle of the night. he flew to the windy city from des moines, iowa. the city has sentimental value to him. it's where he opened his first presidential campaign office four years ago. >>> folks in maryland have a host of issues they must decide on. news 4's tony tull joins us. >> let me tell you if you are in prince george's county and haven't gotten out to vote, take a look now. the lines are not that bad. this morning, lines about two hours. latest report 40 to 45 minutes. get on down if you are on your lunch hour. we are expecting it to go up three to four hours. as you mentioned, keith, in maryland, seven questions on the ballot. three are a hot topic as aaron discussed earlier. the one in prince george's county, question 7. it's election day. in prince george's county, a restless night for many voters.